144040315415 has 4 divisors (see below), whose sum is σ = 172848378504. Its totient is φ = 115232252328.

The previous prime is 144040315387. The next prime is 144040315423. The reversal of 144040315415 is 514513040441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514513040441 = 127 ⋅4051283783.

It is a cyclic number.

It is not a de Polignac number, because 144040315415 - 2¹⁰ = 144040314391 is a prime.

It is a super-2 number, since 2×144040315415² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14404031537 + ... + 14404031546.

It is an arithmetic number, because the mean of its divisors is an integer number (43212094626).

Almost surely, 2^144040315415 is an apocalyptic number.

144040315415 is a deficient number, since it is larger than the sum of its proper divisors (28808063089).

144040315415 is an equidigital number, since it uses as much as digits as its factorization.

144040315415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28808063088.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 144040315415 its reverse (514513040441), we get a palindrome (658553355856).

The spelling of 144040315415 in words is "one hundred forty-four billion, forty million, three hundred fifteen thousand, four hundred fifteen".